254247720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{173}}^1\times {\mathrm{331}}^1$

素因数の和:555

約数の個数: 128

約数和(自身を含む): 790266240

約数和(自身を除く): 536018520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 37, 40, 60, 74, 111, 120, 148, 173, 185, 222, 296, 331, 346, 370, 444, 519, 555, 662, 692, 740, 865, 888, 993, 1038, 1110, 1324, 1384, 1480, 1655, 1730, 1986, 2076, 2220, 2595, 2648, 3310, 3460, 3972, 4152, 4440, 4965, 5190, 6401, 6620, 6920, 7944, 9930, 10380, 12247, 12802, 13240, 19203, 19860, 20760, 24494, 25604, 32005, 36741, 38406, 39720, 48988, 51208, 57263, 61235, 64010, 73482, 76812, 96015, 97976, 114526, 122470, 128020, 146964, 153624, 171789, 183705, 192030, 229052, 244940, 256040, 286315, 293928, 343578, 367410, 384060, 458104, 489880, 572630, 687156, 734820, 768120, 858945, 1145260, 1374312, 1469640, 1717890, 2118731, 2290520, 3435780, 4237462, 6356193, 6871560, 8474924, 10593655, 12712386, 16949848, 21187310, 25424772, 31780965, 42374620, 50849544, 63561930, 84749240, 127123860, 254247720]

約数ペア:

[(1, 254247720), (2, 127123860), (3, 84749240), (4, 63561930), (5, 50849544), (6, 42374620), (8, 31780965), (10, 25424772), (12, 21187310), (15, 16949848), (20, 12712386), (24, 10593655), (30, 8474924), (37, 6871560), (40, 6356193), (60, 4237462), (74, 3435780), (111, 2290520), (120, 2118731), (148, 1717890), (173, 1469640), (185, 1374312), (222, 1145260), (296, 858945), (331, 768120), (346, 734820), (370, 687156), (444, 572630), (519, 489880), (555, 458104), (662, 384060), (692, 367410), (740, 343578), (865, 293928), (888, 286315), (993, 256040), (1038, 244940), (1110, 229052), (1324, 192030), (1384, 183705), (1480, 171789), (1655, 153624), (1730, 146964), (1986, 128020), (2076, 122470), (2220, 114526), (2595, 97976), (2648, 96015), (3310, 76812), (3460, 73482), (3972, 64010), (4152, 61235), (4440, 57263), (4965, 51208), (5190, 48988), (6401, 39720), (6620, 38406), (6920, 36741), (7944, 32005), (9930, 25604), (10380, 24494), (12247, 20760), (12802, 19860), (13240, 19203)]